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8B
Key Stage 3 Science
| Question | Answer |
|---|---|
| What is the definition of a prokaryote? | A cell with no nucleus |
| Is a plant cell eukaryotic? | Yes, it has a nucleus |
| Which type of reproduction involves two gametes? | Sexual reproduction |
| What is the name of the female reproductive organ in plants? | Carpel |
| Name the three parts of a plant cell that are not found in animal cells. | Cell Wall, Vacuole, Chloroplast |
| What is the name of the male gamete in plants? | Pollen |
| What are the two main methods of pollination in flowering plants? | Via wind or insects |
| Where is the embryo formed in a plant after pollination? | The ovule |
| Which type of energy is used in photosynthesis? | Light energy |
| Name three things need for germination | Water, oxygen, warmth |
| What part of a flower does pollen land on and form a pollen tube? | Stigma |
| Cross-pollination is fertilising a flower on a neighbouring plant. True / False | TRUE |
| Write down the word equation for respiration. | Glucose + oxygen --> carbon dioxide + water |
| Which kingdom does the dandelion belong to? | Plants |
| Name part C of this seed | Food Store |
| What is the main feature of a eukaryotic cell? | It has a nucleus |
| Runners in strawberry plants and tubers in potatoes are examples of __________ ____________ in plants | Asexual reproduction |
| Put these stages of the plant reproduction in order: Dispersal, Fertilisation, Germination Pollination | Pollination, Fertilisation, Dispersal, Germination |
| Define variation | Differences in characteristics between organisms of the same species. |
| What is the role of a flower in many plants? | Reproductive organ |
| What is the function of the sepals? | Protect the unopened flower |
| What is the function of the petals? | May be brightly coloured to attract insects |
| What is the functin of the stamen? | Male parts of the flower |
| What is the function of the anther? | Produce male sex cells (pollen grains) |
| What is the function of the stigma? | The top of the female part of the flower which collects pollen grains |
| What is the function of the ovary | Produces the female sex cells (contained in the ovules) |
| What is the function of the nectary? | Produce a sugary solution called nectar, which attracts insects |
| Define "pollination" | The fertilisation of flowers by passing on their pollen |
| Name the 3 main parts of a seed | embryo, food store, seed coat |
| Name 4 things plants compete for | light, water, space, minerals in the soil |
| Define "dispersed" | Spread away and apart |
| Name 4 methods of seed dispersal | Wind - Animals (inside) - Animals (outside) - Self-propelled |
| Is photosynthesis endothermic or exothermic? | Endothermic |
| Name the pigment in chloroplasts that absorbs light. | Chlorophyll |
| State an adaptation of the leaf for efficient photosynthesis. | Broad leaves/Thin/Have chlorophyll/Air spaces/Guard cells to regulate stomata opening |
| How does higher light intensity affect the rate of photosynthesis? | Increase |
| Apart from light and carbon dioxide concentration, name one other limiting factor of photosynthetic rate. | Temperature/Chlorophyll levels |
| Name one use of glucose in plants. | Respiration/Make and strenghten cellulose cell wall/Make starch for storage/Make lipids as energy store |
| What is the word equation for photosynthesis? | Water + carbon dioxide -> glucose + oxygen |
| Name the three organs in a plant | Roots, stem, leaf |
Created by:
Davenant Foundation School
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